Original
By certification 
Drill Pipe
As the important part of drill string, Drill Pipe is used to transmit torque to the Drill Bit. Each Drill Pipe is furnished with a pressed steel thread protectors. In the process of oil and gas extraction and refining, drill pipe can be used repeatedly. Some other testing of finished products, including hardness testing, stress testing and non destructive testing, should be carried out before painting and packing.
Grade: G, S, E, X
Standard: API-5DP ( Also available as per DS-1 and NS-1 Standard )
Hard Banding: Arnco 100XT, Arnco 150XT, Arnco 300XT, Arnco 350XT, etc.
Inner Coating: TK34, TK34K, TK34P, TC2000, TC3000, etc.
Size: OD 2-3/8” -- 6-5/8”
Length: R1, R2, R3
Upsetting: IU, EU, IEU
Connection: API Standard connection or Premium connection.
Application: Deep well, horizontal well, and large displacement well in the Oil and gas exploration and production.
Please specify when ordering:
Size, Grade, Wall thickness, Quantity.
We could also produce as per your individual requirements, like, Non API Standard size and Length, etc.
Technical Parameter--Drill Pipe
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http://www.gaotondrillings.com/
